72000-18-1
ethyl 2-[(2-oxo-2H-chromen-7-yl)oxy]acetate
→
~99%
126424-85-9
[(2-氧代-2H-苯并吡喃-7-基)氧基]乙酸
93-35-6
7-羟基香豆素
+
79-11-8
氯乙酸
~61%
1374859-44-5
(E)-3-(4-carboxymethoxy-2-hydroxyphenyl)acrylic acid ethyl ester
95-01-2
2,4-二羟基苯甲醛